Multiply by one hundred at the end to convert to percent. If there are multiple marks involved, you first find their sum total, then proceed as if it is a single mark and divide by the maximum total marks out of which these marks were obtained. If it is a single mark, you first divide the mark by the maximum possible mark and then multiply by 100 to get the percentage. To find the percentage of marks only basic arithmetics with proportions is required. How to calculate the average percentage score for an entire class.Test marks to percentage - practical examples.
